Roux-en-Y gastric bypass augments the feeding responses evoked by gastrin-releasing peptides.
Roux-en-Y gastric bypass augments the feeding responses evoked by gastrin-releasing peptides.
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Roux-en-Y 胃绕道术增强了胃泌素释放肽引起的进食反应。
DOI:
10.1016/j.jss.2016.08.057
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
Sayegh,AymanI
中科院分区:
文献类型:
--
作者:
Washington,MarthaC;Mhalhal,ThaerR;Johnson-Rouse,Tanisha;Berger,Jose;Heath,John;Seeley,Randy;Sayegh,AymanI
BackgroundRoux-en-Y gastric bypass (RYGB) is the most effective method for the treatment of obesity, and metabolic disease RYGB may reduce body weight by altering the feeding responses evoked by the short-term satiety peptides.Materials and methodsHere, we measured meal size (MS, chow), intermeal interval (IMI) length, and satiety ratio (SR, IMI/MS; food consumed per a unit of time) by the small and the large forms of gastrin-releasing peptide (GRP) in rats, GRP-10 and GRP-29 (0, 0.1, 0.5 nmol/kg) infused in the celiac artery (CA, supplies stomach and upper duodenum) and the cranial mesenteric artery (CMA, supplies small and large intestine) in an RYGB rat model.ResultsGRP-10 reduced MS, prolonged the IMI, and increased the SR only in the RYGB group, whereas GRP-29 evoked these responses by both routes and in both groups.ConclusionsThe RYGB procedure augments the feeding responses evoked by exogenous GRP, possibly by decreasing total food intake, increasing latency to the first meal, decreasing number of meals or altering the sites of action regulating MS and IMI length by the two peptides.
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